/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.engine.test.pvm;

import java.util.ArrayList;

import org.activiti.engine.impl.pvm.ProcessDefinitionBuilder;
import org.activiti.engine.impl.pvm.PvmExecution;
import org.activiti.engine.impl.pvm.PvmProcessDefinition;
import org.activiti.engine.impl.pvm.PvmProcessInstance;
import org.activiti.engine.impl.test.PvmTestCase;
import org.activiti.engine.test.pvm.activities.Automatic;
import org.activiti.engine.test.pvm.activities.End;
import org.activiti.engine.test.pvm.activities.WaitState;

/**
 * @author Tom Baeyens
 */
public class PvmScopeWaitStateTest extends PvmTestCase {

    /**
     * +-----+ +----------+ +---+ |start|-->|scopedWait|-->|end| +-----+ +----------+ +---+
     */
    public void testWaitStateScope() {
        PvmProcessDefinition processDefinition = new ProcessDefinitionBuilder()
                .createActivity("start")
                .initial()
                .behavior(new Automatic())
                .transition("scopedWait")
                .endActivity()
                .createActivity("scopedWait")
                .scope()
                .behavior(new WaitState())
                .transition("end")
                .endActivity()
                .createActivity("end")
                .behavior(new End())
                .endActivity()
                .buildProcessDefinition();

        PvmProcessInstance processInstance = processDefinition.createProcessInstance();
        processInstance.start();

        PvmExecution execution = processInstance.findExecution("scopedWait");
        assertNotNull(execution);

        execution.signal(null, null);

        assertEquals(new ArrayList<String>(), processInstance.findActiveActivityIds());
        assertTrue(processInstance.isEnded());
    }

    /**
     * +--------------+ | outerScope | +-----+ | +----------+ | +---+ |start|--->|scopedWait|--->|end| +-----+ | +----------+ | +---+ +--------------+
     */
    public void testNestedScope() {
        PvmProcessDefinition processDefinition = new ProcessDefinitionBuilder()
                .createActivity("start")
                .initial()
                .behavior(new Automatic())
                .transition("scopedWait")
                .endActivity()
                .createActivity("outerScope")
                .scope()
                .createActivity("scopedWait")
                .scope()
                .behavior(new WaitState())
                .transition("end")
                .endActivity()
                .endActivity()
                .createActivity("end")
                .behavior(new End())
                .endActivity()
                .buildProcessDefinition();

        PvmProcessInstance processInstance = processDefinition.createProcessInstance();
        processInstance.start();

        PvmExecution activityInstance = processInstance.findExecution("scopedWait");
        assertNotNull(activityInstance);

        activityInstance.signal(null, null);

        assertEquals(new ArrayList<String>(), processInstance.findActiveActivityIds());
        assertTrue(processInstance.isEnded());
    }
}
